Fabian Hueske created FLINK-3835:
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Summary: JSON execution plan not helpful to debug plans with
KeySelectors
Key: FLINK-3835
URL: https://issues.apache.org/jira/browse/FLINK-3835
Project: Flink
Issue Type: Bug
Components: Optimizer
Affects Versions: 1.0.2, 1.1.0
Reporter: Fabian Hueske
Assignee: Fabian Hueske
Fix For: 1.1.0, 1.0.3
The JSON execution plans are not helpful when debugging plans that include join
operators with key selectors. For joins with hash join strategy, the driver
strategy shows: {{"Hybrid Hash (build: Key Extractor)"}} where {{(build: Key
Extractor)}} shall help to identify the build side of the join. However, if
both inputs use KeySelectors, the build side cannot be identified.
I propose to add the operator id to the build side information. The same issue
applied for cross driver strategies.
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